At 4 p.m. on a winter day, an arctic air mass moved from Kansas into Oklahoma, causing temperatures to plummet. The temperatureT=T(h)in degrees Fahrenheithhours after4 p.m.in Stillwater, Oklahoma, on that day is recorded in the following table.h= Hours

since 4 P.M.T= Temperature062159238326422

(a) Use functional notation to express the temperature in Stillwater at4:30p.m.